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I am looking at the possibility of creating a custom token on the Ethereum network & wanted to know if there is a way if i can put an limit on the gasPrice in order to prevent the so called "gas wars" ?

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require(tx.gasprice < 5 * 1000000000);

From Block and transaction properties. Solidity Docs

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  • what happens to the state of the transaction if i do this ?
    – Sujal Mandal
    Jan 31, 2018 at 15:05
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    "require(false) compiles to 0xfd which is the REVERT opcode, meaning it will refund the remaining gas." Source.
    – Roman Frolov
    Jan 31, 2018 at 15:08
  • The transaction will be reverted to the initial state.
    – Roman Frolov
    Jan 31, 2018 at 15:11
  • its safe to say that require(false) is equal to if(false) revert(); ?
    – Sujal Mandal
    Jan 31, 2018 at 15:52
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    @SujalMandal yes. Solidity performs a revert operation (instruction 0xfd) in both scenarios.
    – Roman Frolov
    Jan 31, 2018 at 16:00

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